<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div div {
            color:red;
        }

        div {
            color:blue;
        }
    </style>
</head>
<body>
   <div>
       <div>
           <div>
               请问这行字体的颜色(red 1+1>1)<!--权重叠加-->
           </div>
       </div>
   </div>

</body>
</html>